/*
 * Copyright 2018 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.workbench.services.verifier.plugin.client.api;

import java.util.Map;
import java.util.Set;

import org.jboss.errai.common.client.api.annotations.MapsTo;
import org.jboss.errai.common.client.api.annotations.Portable;

@Portable
public class HeaderMetaData {

    private final Map<Integer, ModelMetaData> patternsByColumnNumber;

    public HeaderMetaData(@MapsTo("patternsByColumnNumber") final Map<Integer, ModelMetaData> patternsByColumnNumber) {
        this.patternsByColumnNumber = patternsByColumnNumber;
    }

    public ModelMetaData getPatternsByColumnNumber(final Integer columnIndex) {
        if (patternsByColumnNumber.containsKey(columnIndex)) {
            return patternsByColumnNumber.get(columnIndex);
        } else {
            throw new IllegalArgumentException("Could not find columnIndex: " + columnIndex);
        }
    }

    public int size() {
        return patternsByColumnNumber.size();
    }

    public boolean isEmpty() {
        return patternsByColumnNumber.isEmpty();
    }

    public Set<Integer> keySet() {
        return patternsByColumnNumber.keySet();
    }
}
